Home / 830,146.40-1,245,219.60-830,146.40

Finding the Fourth Proportional to 830,146.40, 1,245,219.60 and 830,146.40

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Solution

The fourth proportional to 830,146.40, 1,245,219.60 and 830,146.40 is: 1,245,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,146.40 : 1,245,219.60 = 830,146.40 : x
  2. Step 2: Convert to fraction form
    830,146.40/1,245,219.60 = 830,146.40/x
  3. Step 3: Cross multiply
    830,146.40x = 1,245,219.60 × 830,146.40
  4. Step 4: Simplify right side
    830,146.40x = 1,033,714,568,149.44
  5. Step 5: Solve for x
    x = 1,033,714,568,149.44/830,146.40
  6. Step 6: Final answer
    x = 1,245,219.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.